Apply suggestions from code review

Co-authored-by: Noah Jacobus <jabronus@users.noreply.github.com>

.github/DISCUSSION_TEMPLATE/brand-request.yml

@@ -6,7 +6,7 @@ body:
     attributes:
       value: |
         ## 👋 Thanks for suggesting a new brand!
-        Brand icons only appear in the **Brands** pack, and they must represent real, active companies or products with publicly available branding.
+        Brand icons only appear in the [Brands pack](https://fontawesome.com/icons/packs/brands), and they must represent real, active companies or products with publicly available branding.
 
   - type: textarea
     id: brand-name
@@ -17,7 +17,7 @@ body:
   - type: input
     id: official-website
     attributes:
-      label: "🌐 Official website (required)"
+      label: "🌐 Official website"
       description: "Please provide the official website of this brand. The website must be in production and reachable from the public internet."
 
   - type: textarea
@@ -38,4 +38,4 @@ body:
         - label: "I've searched existing brand requests to avoid duplicates"
           required: true
         - label: "I understand how brand requests work and the criteria for acceptance"
-          required: false
+          required: true

.github/DISCUSSION_TEMPLATE/icon-request.yml

@@ -56,4 +56,4 @@ body:
         - label: "I searched existing Discussions/Issues to avoid duplicates"
           required: true
         - label: "I understand how icon requests work and what makes one more likely to be accepted"
-          required: false
+          required: true